stm32f4xx_crypto_cipher.c File Reference

STM32F4 cipher hardware accelerator. More...

#include "stm32f4xx.h"
#include "stm32f4xx_hal.h"
#include "core/crypto.h"
#include "hardware/stm32f4xx/stm32f4xx_crypto.h"
#include "hardware/stm32f4xx/stm32f4xx_crypto_cipher.h"
#include "cipher/cipher_algorithms.h"
#include "cipher_modes/cipher_modes.h"
#include "aead/aead_algorithms.h"
#include "debug.h"

Go to the source code of this file.

Macros

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL
 

Functions

error_t crypInit (void)
 CRYP module initialization. More...
 
void desProcessData (DesContext *context, uint8_t *iv, const uint8_t *input, uint8_t *output, size_t length, uint32_t mode)
 Perform DES encryption or decryption. More...
 
error_t desInit (DesContext *context, const uint8_t *key, size_t keyLen)
 Initialize a DES context using the supplied key. More...
 
void desEncryptBlock (DesContext *context, const uint8_t *input, uint8_t *output)
 Encrypt a 8-byte block using DES algorithm. More...
 
void desDecryptBlock (DesContext *context, const uint8_t *input, uint8_t *output)
 Decrypt a 8-byte block using DES algorithm. More...
 
void des3ProcessData (Des3Context *context, uint8_t *iv, const uint8_t *input, uint8_t *output, size_t length, uint32_t mode)
 Perform Triple DES encryption or decryption. More...
 
error_t des3Init (Des3Context *context, const uint8_t *key, size_t keyLen)
 Initialize a Triple DES context using the supplied key. More...
 
void des3EncryptBlock (Des3Context *context, const uint8_t *input, uint8_t *output)
 Encrypt a 8-byte block using Triple DES algorithm. More...
 
void des3DecryptBlock (Des3Context *context, const uint8_t *input, uint8_t *output)
 Decrypt a 8-byte block using Triple DES algorithm. More...
 
void aesLoadKey (AesContext *context)
 Load AES key. More...
 
void aesProcessData (AesContext *context, uint8_t *iv, const uint8_t *input, uint8_t *output, size_t length, uint32_t mode)
 Perform AES encryption or decryption. More...
 
error_t aesInit (AesContext *context, const uint8_t *key, size_t keyLen)
 Key expansion. More...
 
void aesEncryptBlock (AesContext *context, const uint8_t *input, uint8_t *output)
 Encrypt a 16-byte block using AES algorithm. More...
 
void aesDecryptBlock (AesContext *context, const uint8_t *input, uint8_t *output)
 Decrypt a 16-byte block using AES algorithm. More...
 
error_t ecbEncrypt (const CipherAlgo *cipher, void *context, const uint8_t *p, uint8_t *c, size_t length)
 ECB encryption. More...
 
error_t ecbDecrypt (const CipherAlgo *cipher, void *context, const uint8_t *c, uint8_t *p, size_t length)
 ECB decryption. More...
 
error_t cbcEncrypt (const CipherAlgo *cipher, void *context, uint8_t *iv, const uint8_t *p, uint8_t *c, size_t length)
 CBC encryption. More...
 
error_t cbcDecrypt (const CipherAlgo *cipher, void *context, uint8_t *iv, const uint8_t *c, uint8_t *p, size_t length)
 CBC decryption. More...
 
error_t ctrEncrypt (const CipherAlgo *cipher, void *context, uint_t m, uint8_t *t, const uint8_t *p, uint8_t *c, size_t length)
 CTR encryption. More...
 

Detailed Description

STM32F4 cipher hardware accelerator.

License

SPDX-License-Identifier: GPL-2.0-or-later

Copyright (C) 2010-2024 Oryx Embedded SARL. All rights reserved.

This file is part of CycloneCRYPTO Open.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Author
Oryx Embedded SARL (www.oryx-embedded.com)
Version
2.4.0

Definition in file stm32f4xx_crypto_cipher.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file stm32f4xx_crypto_cipher.c.

Function Documentation

◆ aesDecryptBlock()

void aesDecryptBlock ( AesContext context,
const uint8_t *  input,
uint8_t *  output 
)

Decrypt a 16-byte block using AES algorithm.

Parameters
[in]contextPointer to the AES context
[in]inputCiphertext block to decrypt
[out]outputPlaintext block resulting from decryption

Definition at line 679 of file stm32f4xx_crypto_cipher.c.

◆ aesEncryptBlock()

void aesEncryptBlock ( AesContext context,
const uint8_t *  input,
uint8_t *  output 
)

Encrypt a 16-byte block using AES algorithm.

Parameters
[in]contextPointer to the AES context
[in]inputPlaintext block to encrypt
[out]outputCiphertext block resulting from encryption

Definition at line 664 of file stm32f4xx_crypto_cipher.c.

◆ aesInit()

error_t aesInit ( AesContext context,
const uint8_t *  key,
size_t  keyLen 
)

Key expansion.

Parameters
[in]contextPointer to the AES context to initialize
[in]keyPointer to the key
[in]keyLenLength of the key
Returns
Error code

Definition at line 613 of file stm32f4xx_crypto_cipher.c.

◆ aesLoadKey()

void aesLoadKey ( AesContext context)

Load AES key.

Parameters
[in]contextAES algorithm context

Definition at line 400 of file stm32f4xx_crypto_cipher.c.

◆ aesProcessData()

void aesProcessData ( AesContext context,
uint8_t *  iv,
const uint8_t *  input,
uint8_t *  output,
size_t  length,
uint32_t  mode 
)

Perform AES encryption or decryption.

Parameters
[in]contextAES algorithm context
[in,out]ivInitialization vector
[in]inputData to be encrypted/decrypted
[out]outputData resulting from the encryption/decryption process
[in]lengthTotal number of data bytes to be processed
[in]modeOperation mode

Definition at line 460 of file stm32f4xx_crypto_cipher.c.

◆ cbcDecrypt()

error_t cbcDecrypt ( const CipherAlgo cipher,
void *  context,
uint8_t *  iv,
const uint8_t *  c,
uint8_t *  p,
size_t  length 
)

CBC decryption.

Parameters
[in]cipherCipher algorithm
[in]contextCipher algorithm context
[in,out]ivInitialization vector
[in]cCiphertext to be decrypted
[out]pPlaintext resulting from the decryption
[in]lengthTotal number of data bytes to be decrypted
Returns
Error code

Definition at line 1048 of file stm32f4xx_crypto_cipher.c.

◆ cbcEncrypt()

error_t cbcEncrypt ( const CipherAlgo cipher,
void *  context,
uint8_t *  iv,
const uint8_t *  p,
uint8_t *  c,
size_t  length 
)

CBC encryption.

Parameters
[in]cipherCipher algorithm
[in]contextCipher algorithm context
[in,out]ivInitialization vector
[in]pPlaintext to be encrypted
[out]cCiphertext resulting from the encryption
[in]lengthTotal number of data bytes to be encrypted
Returns
Error code

Definition at line 925 of file stm32f4xx_crypto_cipher.c.

◆ crypInit()

error_t crypInit ( void  )

CRYP module initialization.

Returns
Error code

Definition at line 54 of file stm32f4xx_crypto_cipher.c.

◆ ctrEncrypt()

error_t ctrEncrypt ( const CipherAlgo cipher,
void *  context,
uint_t  m,
uint8_t *  t,
const uint8_t *  p,
uint8_t *  c,
size_t  length 
)

CTR encryption.

Parameters
[in]cipherCipher algorithm
[in]contextCipher algorithm context
[in]mSize in bits of the specific part of the block to be incremented
[in,out]tInitial counter block
[in]pPlaintext to be encrypted
[out]cCiphertext resulting from the encryption
[in]lengthTotal number of data bytes to be encrypted
Returns
Error code

Definition at line 1180 of file stm32f4xx_crypto_cipher.c.

◆ des3DecryptBlock()

void des3DecryptBlock ( Des3Context context,
const uint8_t *  input,
uint8_t *  output 
)

Decrypt a 8-byte block using Triple DES algorithm.

Parameters
[in]contextPointer to the Triple DES context
[in]inputCiphertext block to decrypt
[out]outputPlaintext block resulting from decryption

Definition at line 385 of file stm32f4xx_crypto_cipher.c.

◆ des3EncryptBlock()

void des3EncryptBlock ( Des3Context context,
const uint8_t *  input,
uint8_t *  output 
)

Encrypt a 8-byte block using Triple DES algorithm.

Parameters
[in]contextPointer to the Triple DES context
[in]inputPlaintext block to encrypt
[out]outputCiphertext block resulting from encryption

Definition at line 370 of file stm32f4xx_crypto_cipher.c.

◆ des3Init()

error_t des3Init ( Des3Context context,
const uint8_t *  key,
size_t  keyLen 
)

Initialize a Triple DES context using the supplied key.

Parameters
[in]contextPointer to the Triple DES context to initialize
[in]keyPointer to the key
[in]keyLenLength of the key
Returns
Error code

Definition at line 311 of file stm32f4xx_crypto_cipher.c.

◆ des3ProcessData()

void des3ProcessData ( Des3Context context,
uint8_t *  iv,
const uint8_t *  input,
uint8_t *  output,
size_t  length,
uint32_t  mode 
)

Perform Triple DES encryption or decryption.

Parameters
[in]contextTriple DES algorithm context
[in,out]ivInitialization vector
[in]inputData to be encrypted/decrypted
[out]outputData resulting from the encryption/decryption process
[in]lengthTotal number of data bytes to be processed
[in]modeOperation mode

Definition at line 222 of file stm32f4xx_crypto_cipher.c.

◆ desDecryptBlock()

void desDecryptBlock ( DesContext context,
const uint8_t *  input,
uint8_t *  output 
)

Decrypt a 8-byte block using DES algorithm.

Parameters
[in]contextPointer to the DES context
[in]inputCiphertext block to decrypt
[out]outputPlaintext block resulting from decryption

Definition at line 202 of file stm32f4xx_crypto_cipher.c.

◆ desEncryptBlock()

void desEncryptBlock ( DesContext context,
const uint8_t *  input,
uint8_t *  output 
)

Encrypt a 8-byte block using DES algorithm.

Parameters
[in]contextPointer to the DES context
[in]inputPlaintext block to encrypt
[out]outputCiphertext block resulting from encryption

Definition at line 187 of file stm32f4xx_crypto_cipher.c.

◆ desInit()

error_t desInit ( DesContext context,
const uint8_t *  key,
size_t  keyLen 
)

Initialize a DES context using the supplied key.

Parameters
[in]contextPointer to the DES context to initialize
[in]keyPointer to the key
[in]keyLenLength of the key (must be set to 8)
Returns
Error code

Definition at line 161 of file stm32f4xx_crypto_cipher.c.

◆ desProcessData()

void desProcessData ( DesContext context,
uint8_t *  iv,
const uint8_t *  input,
uint8_t *  output,
size_t  length,
uint32_t  mode 
)

Perform DES encryption or decryption.

Parameters
[in]contextDES algorithm context
[in,out]ivInitialization vector
[in]inputData to be encrypted/decrypted
[out]outputData resulting from the encryption/decryption process
[in]lengthTotal number of data bytes to be processed
[in]modeOperation mode

Definition at line 76 of file stm32f4xx_crypto_cipher.c.

◆ ecbDecrypt()

error_t ecbDecrypt ( const CipherAlgo cipher,
void *  context,
const uint8_t *  c,
uint8_t *  p,
size_t  length 
)

ECB decryption.

Parameters
[in]cipherCipher algorithm
[in]contextCipher algorithm context
[in]cCiphertext to be decrypted
[out]pPlaintext resulting from the decryption
[in]lengthTotal number of data bytes to be decrypted
Returns
Error code

Definition at line 809 of file stm32f4xx_crypto_cipher.c.

◆ ecbEncrypt()

error_t ecbEncrypt ( const CipherAlgo cipher,
void *  context,
const uint8_t *  p,
uint8_t *  c,
size_t  length 
)

ECB encryption.

Parameters
[in]cipherCipher algorithm
[in]contextCipher algorithm context
[in]pPlaintext to be encrypted
[out]cCiphertext resulting from the encryption
[in]lengthTotal number of data bytes to be encrypted
Returns
Error code

Definition at line 699 of file stm32f4xx_crypto_cipher.c.